Compatible With: Ryobi 18V One+ Performance Hand Vacuum Plc704K, Plc705K, Plc705B. | | Alternative To: Ryobi Part# A32F05N | | Recommended To Replace Filters Every 3-4 Month. It Depends On Your Usage. The Dirty Filter May Reduce Suction Efficiency. | | Kit Contains: 2 X Replacement Filters, 1 X Cleaning Brush. | |